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Journal / article
Troell, M., M. Jonell and P. Henriksson. 2017. Ocean space for seafood. Nature Ecology and Evolution. DOI: 10.1038/s41559-017-0304-6
Österblom, H., B.I. Crona, C. Folke, M. Nyström, M. Troell. 2017. Marine ecosystem science on an intertwined planet. Ecosystems doi:10.1007/s10021-016-9998-6.
Marine ecosystem science has developed since the 1940s, when humans obtained the ability to spend substantial time underneath the surface of the ocean. Since then, and drawing on several decades of scientific advances, a number of exciting research frontiers have emerged. We find: Understanding interacting drivers of change, Identifying thresholds in ecosystems, and Investigating social-ecological dynamics to represent particu...
Gephart, J. A., Troell, M., Henriksson, P.J.G., Beveridg, M.C.M, Verdegem, M., Metian, M., Mateos, L.D. Deutsch. L. 2017. The’seafood gap’ in the food-water nexus literature—issues surrounding freshwater use in seafoodproduction chains, Advances in Water Resources (2017), doi: 10.1016/j.advwatres.2017.03.025
Freshwater use for food production is projected to increase substantially in the coming decades with population growth, changing demographics, and shifting diets. Ensuring joint food-water security has prompted efforts to quantify freshwater use for different food products and production methods. However, few analyses quantify freshwater use for seafood production, and those that do use inconsistent water accounting. This inh...
Journal / article
Gephart, J.A., L. Deutsch, M.L. Pace, M. Troell, D.A Seekell. 2016. Shocks to fish production: Identification, trends, and consequences. Global Environmental Change doi.org/10.1016/j.gloenvcha.2016.11.003
Sudden disruptions, or shocks, to food production can adversely impact access to and trade of food commodities. Seafood is the most traded food commodity and is globally important to human nutrition. The seafood production and trade system is exposed to a variety of disruptions including fishery collapses, natural disasters, oil spills, policy changes, and aquaculture disease outbreaks, aquafeed resource access and price spike...
Troell, M., Ziegler, F., Henriksson, P. 2016. Is fish a fish - adding fish to the global food sustainability transformation. Science 16 Sep 2016: Vol. 353, Issue 6305, pp. 1202-1204 DOI: 10.1126/science.aah4765
The Perspective on food sustainability (T. Garnett, 16 September, 353/6305) gives valuable insights related to links between dietary choices, environmental impacts and health. Substituting meat with fish could, as stated, only result in a transfer of impacts. If, however, fish is caught sustainably, respecting biological limits and using smart fishing methods, capture fisheries can produce low-impact food without requiring lan...
Jonell, M., Crona, B., Brown, K., Rönnbäck, P. Troell, M. 2016. Eco-Labeled Seafood: Determinants for (Blue) Green Consumption. Sustainability 8(9), 884; doi:10.3390/su8090884
Eco-certification has become an increasingly popular market-based tool in the endeavor to reduce negative environmental impacts from fisheries and aquaculture. In this study, we aimed at investigating which psychological consumer characteristics influence demand for eco-labeled seafood by correlating consumers’ stated purchasing of eco-labeled seafood to nine variables: environmental knowledge regarding seafood production, fam...
Journal / article
Henriksson, P.J.G., M. Troell, A. Rico. 2015. Antimicrobial use in aquaculture: Some complementing facts. Proceedings of the National Academy of Sciences USA 112: E3317
In their article “Global trends in antimicrobial use in food animals” (1), Van Boeckel et al. provide important insights into antimicrobial use in terrestrial animal production. Although aquaculture was deliberately excluded from their study, some extreme facts on antimicrobial use in aquaculture were mentioned. Here we briefly complement their study with more up-to-date information about the present use and trends of antimicr...
Crona, B.I., T.M. Daw, W. Swartz, A.V. Norström, M. Nyström, M. Thyresson, C. Folke, J. Hentati-Sundberg, H. Österblom, L. Deutsch, M. Troell. 2015. Masked, diluted and drowned out: How global seafood trade weakens signals from marine ecosystems. Fish and Fisheries DOI: 10.1111/faf.12109
Nearly 40% of seafood is traded internationally and an even bigger proportion is affected by international trade, yet scholarship on marine fisheries has focused on global trends in stocks and catches, or on dynamics of individual fisheries, with limited attention to the link between individual fisheries, global trade and distant consumers. This paper examines the usefulness of fish price as a feedback signal to consumers a...
Crona, B.I., X. Basurto, D. Squires, S. Gelcich, T.M. Daw, A. Khan, E. Havice, V. Chomo, M. Troell, E.A. Buchary, E.H. Allison. Towards a typology of interactions between small-scale fisheries and global seafood trade. Marine Policy doi:10.1016/j.marpol.2015.11.016
Fish and fish-related products are among the most highly traded commodities globally and the proportion of globally harvested fish that is internationally traded has steadily risen over time. Views on the benefits of international seafood trade diverge, partly as a result from adopting either an aggregate national focus or a focus on local market actors. However, both views generally assume that the trade in question is cha...
Béné, C., R. Arthur, H. Norbury, E.H. Allison, M. Beveridge, S. Bush, L. Campling, W. Leschen, D. Little, D. Squires, S.H. Thilsted, M. Troell, M. Williams. Contribution of fisheries and aquaculture to food security and poverty reduction: Assessing the current evidence. World Development doi:10.1016/j.worlddev.2015.11.007
Following a precise evaluation protocol that was applied to a pool of 202 articles published between 2003 and 2014, this paper evaluates the existing evidence of how and to what extent capture fisheries and aquaculture contribute to improving nutrition, food security, and economic growth in developing and emergent countries. In doing so we evaluate the quality and scientific rigor of that evidence, identify the key conclusions...
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